Ponticulus
The eminentia conchae is crossed by a vertical ridge, the ponticulus, which gives attachment to the auricularis posterior muscle.
Some researchers suggest it is a remnant of a protective bony canal found in lower primates.
The eminentia conchae is crossed by a vertical ridge, the ponticulus, which gives attachment to the auricularis posterior muscle.
Some researchers suggest it is a remnant of a protective bony canal found in lower primates.